WeBuilder 2015 WeBuilder is a faster, smarter and more powerful all-in-one code editor for web developers. Clean interface, quick startup, superb flexibility and powerful features allow you to create and manage code written in HTML, CSS, JavaScript, PHP, Ruby, Python, ASP, SSI, Perl and other languages faster and easier, while integrated tools enable you to validate, reuse, navigate and deploy your code in an efficient and sophisticated manner.